apps/plasma/applets/folderview/kabstractviewadapter_p.h

   1 /*******************************************************************************
   2  *   Copyright (C) 2008 by Fredrik Höglund <fredrik@kde.org>                   *
   3  *                                                                             *
   4  *   This library is free software; you can redistribute it and/or             *
   5  *   modify it under the terms of the GNU Library General Public               *
   6  *   License as published by the Free Software Foundation; either              *
   7  *   version 2 of the License, or (at your option) any later version.          *
   8  *                                                                             *
   9  *   This library is distributed in the hope that it will be useful,           *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  *   Library General Public License for more details.                          *
  13  *                                                                             *
  14  *   You should have received a copy of the GNU Library General Public License *
  15  *   along with this library; see the file COPYING.LIB.  If not, write to      *
  16  *   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,      *
  17  *   Boston, MA 02110-1301, USA.                                               *
  18  *******************************************************************************/
  19
  20 #ifndef KABSTRACTVIEWADAPTER_H
  21 #define KABSTRACTVIEWADAPTER_H
  22
  23 #include <QObject>
  24
  25 class QAbstractItemModel;
  26 class QModelIndex;
  27 class QPalette;
  28 class QRect;
  29 class QSize;
  30
  31 /*
  32  * Interface used by KFilePreviewGenerator to generate previews
  33  * for files. The interface allows KFilePreviewGenerator to be
  34  * independent from the view implementation.
  35  */
  36 class KAbstractViewAdapter : public QObject
  37 {
  38 public:
  39     enum Signal { ScrollBarValueChanged };
  40
  41     KAbstractViewAdapter(QObject *parent) : QObject(parent) {}
  42     virtual ~KAbstractViewAdapter() {}
  43     virtual QAbstractItemModel *model() const = 0;
  44     virtual QSize iconSize() const = 0;
  45     virtual QPalette palette() const = 0;
  46     virtual QRect visibleArea() const = 0;
  47     virtual QRect visualRect(const QModelIndex &index) const = 0;
  48     virtual void connect(Signal signal, QObject *receiver, const char *slot) = 0;
  49 };
  50
  51 #endif
  52